{ "$schema": "https://verifymcp.io/schemas/changelog.json", "server": "pipeworx-io-usgswater", "component": "usgswater-mcp", "generated_at": "2026-09-21T10:27:34.132Z", "tracking_since": "2026-07-26", "counts": { "critical": 6, "security": 94, "functional": 0, "cosmetic": 0 }, "events": [ { "id": "chg_01a09d79-39ac-7c3b-b4c0-2f95661aefd4", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.churn", "from_value": "pass", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "30", "added": "0", "breaks": "0", "removed": "31", "auth_transport": "0" }, "occurred_on": "2026-09-14", "occurred_at": "2026-09-14 01:12:42.592496+00", "observed_since": "2026-09-13", "source": "scan", "summary": "Stability (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a09d79-39ac-7c3b-b4c0-2f95661aefd4" }, { "id": "chg_01a09d79-39ae-75dc-af4d-a6a77f87a31f", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.none_unlisted", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-14", "occurred_at": "2026-09-14 01:12:42.592496+00", "observed_since": "2026-09-13", "source": "scan", "summary": "Authorization (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a09d79-39ae-75dc-af4d-a6a77f87a31f" }, { "id": "chg_01a09d79-39ae-7d37-b3aa-74ca77d2243e", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-14", "occurred_at": "2026-09-14 01:12:42.592496+00", "observed_since": "2026-09-13", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a09d79-39ae-7d37-b3aa-74ca77d2243e" }, { "id": "chg_01a09853-8421-7339-b7a8-c8620cb352c9", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-09-13", "occurred_at": "2026-09-13 01:13:25.210684+00", "observed_since": "2026-09-12", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a09853-8421-7339-b7a8-c8620cb352c9" }, { "id": "chg_01a0932c-70b7-76c6-a2d6-a2cc72c45a42", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b7-76c6-a2d6-a2cc72c45a42" }, { "id": "chg_01a0932c-70b8-75bd-934c-616e63f3da5e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b8-75bd-934c-616e63f3da5e" }, { "id": "chg_01a0932c-70b8-7a90-b41f-0fedbaaaadac", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b8-7a90-b41f-0fedbaaaadac" }, { "id": "chg_01a0932c-70b8-7e5f-8161-b62ca10e2c07", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "bet_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "bet_research" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “bet_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b8-7e5f-8161-b62ca10e2c07" }, { "id": "chg_01a0932c-70b9-7839-b50b-b3f2a1408621", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b9-7839-b50b-b3f2a1408621" }, { "id": "chg_01a0932c-70b9-7c58-a905-a40717fe5d20", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "polymarket_kalshi_spread", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "polymarket_kalshi_spread" }, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70b9-7c58-a905-a40717fe5d20" }, { "id": "chg_01a0932c-70ba-7725-8f8a-c19ebe035803", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-12", "occurred_at": "2026-09-12 01:12:38.274515+00", "observed_since": "2026-09-11", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0932c-70ba-7725-8f8a-c19ebe035803" }, { "id": "chg_01a08e06-2550-757f-94ed-c443db3c9350", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 01:12:42.520065+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a08e06-2550-757f-94ed-c443db3c9350" }, { "id": "chg_01a08e06-2551-7466-86e2-628c4d62e9ac", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 01:12:42.520065+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a08e06-2551-7466-86e2-628c4d62e9ac" }, { "id": "chg_01a08e06-2551-7967-bf5f-270f3a88cc7f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 01:12:42.520065+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a08e06-2551-7967-bf5f-270f3a88cc7f" }, { "id": "chg_01a08e06-2551-7d96-a0cc-fcfab9159a97", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 01:12:42.520065+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a08e06-2551-7d96-a0cc-fcfab9159a97" }, { "id": "chg_01a08e06-2552-7286-bf7f-4b1561a72bde", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 01:12:42.520065+00", "observed_since": "2026-09-10", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a08e06-2552-7286-bf7f-4b1561a72bde" }, { "id": "chg_01a088df-e179-7d61-acaa-fabf8be1cf4b", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 01:12:48.711678+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a088df-e179-7d61-acaa-fabf8be1cf4b" }, { "id": "chg_01a088df-e17b-735c-8844-5d95f278f87e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 01:12:48.711678+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a088df-e17b-735c-8844-5d95f278f87e" }, { "id": "chg_01a088df-e17b-796e-b528-f88102481e68", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 01:12:48.711678+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a088df-e17b-796e-b528-f88102481e68" }, { "id": "chg_01a088df-e17b-7e34-8ca5-5668e3e20113", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 01:12:48.711678+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a088df-e17b-7e34-8ca5-5668e3e20113" }, { "id": "chg_01a088df-e17c-74d3-8ea2-1c9b157d44fd", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 01:12:48.711678+00", "observed_since": "2026-09-09", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a088df-e17c-74d3-8ea2-1c9b157d44fd" }, { "id": "chg_01a083b9-60eb-7ccd-a5d9-340ec5ab27de", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-09", "occurred_at": "2026-09-09 01:12:39.346801+00", "observed_since": "2026-09-08", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a083b9-60eb-7ccd-a5d9-340ec5ab27de" }, { "id": "chg_01a07e96-b87f-778f-8569-e3d1c0acf72d", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_unlisted", "to_code": "auth.none_destructive", "from_value": "unverified", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-09-08", "occurred_at": "2026-09-08 01:16:41.905482+00", "observed_since": "2026-09-07", "source": "scan", "summary": "Authorization (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07e96-b87f-778f-8569-e3d1c0acf72d" }, { "id": "chg_01a07e96-b880-7e7a-b5a8-65fb9d695dae", "kind": "check.reverified", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.unreachable", "to_code": "toolsafety.injection_clean", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-08", "occurred_at": "2026-09-08 01:16:41.905482+00", "observed_since": "2026-09-07", "source": "scan", "summary": "Injection markers (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07e96-b880-7e7a-b5a8-65fb9d695dae" }, { "id": "chg_01a07e96-b881-77b3-a741-9c5482e7987b", "kind": "check.reverified", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.insufficient_history", "to_code": "stability.stable", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-08", "occurred_at": "2026-09-08 01:16:41.905482+00", "observed_since": "2026-09-07", "source": "scan", "summary": "Stability (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07e96-b881-77b3-a741-9c5482e7987b" }, { "id": "chg_01a0796f-f160-728b-8712-a3281552ad42", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_unlisted", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-07", "occurred_at": "2026-09-07 01:16:14.501994+00", "observed_since": "2026-09-06", "source": "scan", "summary": "Authorization (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0796f-f160-728b-8712-a3281552ad42" }, { "id": "chg_01a0796f-f161-7133-acb9-0e4a0927e7f4", "kind": "check.unverifiable", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.insufficient_history", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-07", "occurred_at": "2026-09-07 01:16:14.501994+00", "observed_since": "2026-09-06", "source": "scan", "summary": "Stability (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0796f-f161-7133-acb9-0e4a0927e7f4" }, { "id": "chg_01a0796f-f161-76c0-bc8e-66cec9658bbb", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-07", "occurred_at": "2026-09-07 01:16:14.501994+00", "observed_since": "2026-09-06", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0796f-f161-76c0-bc8e-66cec9658bbb" }, { "id": "chg_01a0796f-f163-7642-92fd-5e18fd09d2b3", "kind": "capture.status_changed", "family": "", "subject_kind": "server", "subject": "capture", "subject_child": "", "from_code": null, "to_code": null, "from_value": "verified", "to_value": "unreachable", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "to": "unreachable", "from": "verified" }, "occurred_on": "2026-09-07", "occurred_at": "2026-09-07 01:16:14.501994+00", "observed_since": "2026-09-06", "source": "scan", "summary": "Endpoint reachability (reachable → unreachable)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a0796f-f163-7642-92fd-5e18fd09d2b3" }, { "id": "chg_01a07445-8b7a-72a0-96bd-7d2aad5957c0", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7a-72a0-96bd-7d2aad5957c0" }, { "id": "chg_01a07445-8b7a-7939-9bfd-938dfbed3de3", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7a-7939-9bfd-938dfbed3de3" }, { "id": "chg_01a07445-8b7a-7e1b-ab18-f5891e048445", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7a-7e1b-ab18-f5891e048445" }, { "id": "chg_01a07445-8b7b-7505-80f3-a89d7f082ef1", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7b-7505-80f3-a89d7f082ef1" }, { "id": "chg_01a07445-8b7b-7aa8-80f0-50b593c17f86", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7b-7aa8-80f0-50b593c17f86" }, { "id": "chg_01a07445-8b7c-7017-9495-28b33d77a8e8", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 01:11:49.822621+00", "observed_since": "2026-09-05", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a07445-8b7c-7017-9495-28b33d77a8e8" }, { "id": "chg_01a06f1f-79f8-70f2-bec5-eaa0a4f2bc08", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 01:12:08.843508+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a06f1f-79f8-70f2-bec5-eaa0a4f2bc08" }, { "id": "chg_01a06f1f-79f9-7973-b176-e733b61fbaff", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 01:12:08.843508+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a06f1f-79f9-7973-b176-e733b61fbaff" }, { "id": "chg_01a06f1f-79f9-7ec8-b88e-14380d9f6121", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 01:12:08.843508+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a06f1f-79f9-7ec8-b88e-14380d9f6121" }, { "id": "chg_01a06f1f-79fa-7af6-981a-6dbb6b84f33b", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 01:12:08.843508+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a06f1f-79fa-7af6-981a-6dbb6b84f33b" }, { "id": "chg_01a06f1f-79fb-70ae-9f23-a85cbbc454e2", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 01:12:08.843508+00", "observed_since": "2026-09-04", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a06f1f-79fb-70ae-9f23-a85cbbc454e2" }, { "id": "chg_01a069f8-be17-73d6-b246-6588ddaf05dc", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be17-73d6-b246-6588ddaf05dc" }, { "id": "chg_01a069f8-be18-7792-bee5-72c796169873", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be18-7792-bee5-72c796169873" }, { "id": "chg_01a069f8-be18-7c67-89f0-eba3f697eba7", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be18-7c67-89f0-eba3f697eba7" }, { "id": "chg_01a069f8-be19-71d0-8912-c2dcb0da55e7", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be19-71d0-8912-c2dcb0da55e7" }, { "id": "chg_01a069f8-be19-7736-a261-fb1359851d61", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be19-7736-a261-fb1359851d61" }, { "id": "chg_01a069f8-be19-7bc3-93bb-9e60bc608b7f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "entity_profile", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "entity_profile" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be19-7bc3-93bb-9e60bc608b7f" }, { "id": "chg_01a069f8-be1a-7b91-9cc2-483727cfd876", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "polymarket_kalshi_spread", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "polymarket_kalshi_spread" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be1a-7b91-9cc2-483727cfd876" }, { "id": "chg_01a069f8-be1b-71a8-8b14-9ded8e89c784", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 01:11:44.358908+00", "observed_since": "2026-09-03", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a069f8-be1b-71a8-8b14-9ded8e89c784" }, { "id": "chg_01a064d2-3a24-708e-b869-e4381d894dc3", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a24-708e-b869-e4381d894dc3" }, { "id": "chg_01a064d2-3a24-7e52-9113-1edfab1dac8a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a24-7e52-9113-1edfab1dac8a" }, { "id": "chg_01a064d2-3a25-774a-83fe-d0f6916b2e60", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a25-774a-83fe-d0f6916b2e60" }, { "id": "chg_01a064d2-3a25-7da7-849c-0e7b4e265fae", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a25-7da7-849c-0e7b4e265fae" }, { "id": "chg_01a064d2-3a26-748a-be91-dc8585374e31", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a26-748a-be91-dc8585374e31" }, { "id": "chg_01a064d2-3a26-7a50-82b0-82c904d404a9", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 01:11:34.129517+00", "observed_since": "2026-09-02", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a064d2-3a26-7a50-82b0-82c904d404a9" }, { "id": "chg_01a05fac-769f-7a37-8337-2d530bb8f269", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-769f-7a37-8337-2d530bb8f269" }, { "id": "chg_01a05fac-76a0-7ec8-a180-4ee9b9ea6dd8", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a0-7ec8-a180-4ee9b9ea6dd8" }, { "id": "chg_01a05fac-76a3-7b66-b173-2e519fa81523", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a3-7b66-b173-2e519fa81523" }, { "id": "chg_01a05fac-76a4-78fd-808e-a6f020520951", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a4-78fd-808e-a6f020520951" }, { "id": "chg_01a05fac-76a5-704c-83cd-c037db4cfe89", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a5-704c-83cd-c037db4cfe89" }, { "id": "chg_01a05fac-76a6-79a2-bc59-edb3a12d251a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "resolve_entity", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "resolve_entity" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a6-79a2-bc59-edb3a12d251a" }, { "id": "chg_01a05fac-76a8-7b43-9a75-5cac5487e724", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 01:12:13.085429+00", "observed_since": "2026-09-01", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05fac-76a8-7b43-9a75-5cac5487e724" }, { "id": "chg_01a05a85-fb94-77ff-a025-73bd243e86ec", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb94-77ff-a025-73bd243e86ec" }, { "id": "chg_01a05a85-fb95-75cb-b634-113f8bccea9c", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb95-75cb-b634-113f8bccea9c" }, { "id": "chg_01a05a85-fb96-71eb-b545-99f1937f58b0", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb96-71eb-b545-99f1937f58b0" }, { "id": "chg_01a05a85-fb96-7d3e-ab85-10ed69e130a1", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb96-7d3e-ab85-10ed69e130a1" }, { "id": "chg_01a05a85-fb98-7cdc-b4fb-f6bfd00761e0", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb98-7cdc-b4fb-f6bfd00761e0" }, { "id": "chg_01a05a85-fb9b-7865-9c72-945838f4a3b3", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "polymarket_kalshi_spread", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "polymarket_kalshi_spread" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb9b-7865-9c72-945838f4a3b3" }, { "id": "chg_01a05a85-fb9b-7e70-9c8c-11aeb311223f", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 01:12:05.180091+00", "observed_since": "2026-08-31", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05a85-fb9b-7e70-9c8c-11aeb311223f" }, { "id": "chg_01a05557-ed45-7ba2-a740-6f0ad3e14c62", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed45-7ba2-a740-6f0ad3e14c62" }, { "id": "chg_01a05557-ed46-7e59-8d40-be073347a964", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed46-7e59-8d40-be073347a964" }, { "id": "chg_01a05557-ed47-7512-956e-dba9a471c42a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed47-7512-956e-dba9a471c42a" }, { "id": "chg_01a05557-ed47-7991-a94e-4a5e819dff8f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed47-7991-a94e-4a5e819dff8f" }, { "id": "chg_01a05557-ed48-7059-9300-fa49cdab6820", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed48-7059-9300-fa49cdab6820" }, { "id": "chg_01a05557-ed48-75c4-a422-000ebccc7a87", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 01:03:40.818881+00", "observed_since": "2026-08-30", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05557-ed48-75c4-a422-000ebccc7a87" }, { "id": "chg_01a05031-71fa-7b4a-b73e-7122c173beba", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_unlisted", "to_code": "auth.rfc9728_invoke", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-29", "source": "scan", "summary": "Authorization (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fa-7b4a-b73e-7122c173beba" }, { "id": "chg_01a05031-71fb-7d38-8b54-d786bc05d6d5", "kind": "check.verdict", "family": "transport", "subject_kind": "check", "subject": "transport", "subject_child": "", "from_code": "transport.http_error", "to_code": "transport.verified", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": { "transport": "streamable-http" }, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-29", "source": "scan", "summary": "Transport (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fb-7d38-8b54-d786bc05d6d5" }, { "id": "chg_01a05031-71fc-7311-988e-91d7dcebf8c4", "kind": "check.reverified", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.unreachable", "to_code": "toolsafety.injection_clean", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-29", "source": "scan", "summary": "Injection markers (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fc-7311-988e-91d7dcebf8c4" }, { "id": "chg_01a05031-71fc-788a-9106-35ef24e4a186", "kind": "check.reverified", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.insufficient_history", "to_code": "stability.stable", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-29", "source": "scan", "summary": "Stability (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fc-788a-9106-35ef24e4a186" }, { "id": "chg_01a05031-71fe-7706-ab33-dd3878f95b3a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fe-7706-ab33-dd3878f95b3a" }, { "id": "chg_01a05031-71fe-7bcb-8ab1-0f74e519f5aa", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71fe-7bcb-8ab1-0f74e519f5aa" }, { "id": "chg_01a05031-71ff-711f-93c6-b6c59bac4746", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71ff-711f-93c6-b6c59bac4746" }, { "id": "chg_01a05031-71ff-764c-95a4-b96c58841188", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-71ff-764c-95a4-b96c58841188" }, { "id": "chg_01a05031-7200-7d14-89ed-b0dd3eab2837", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-30", "occurred_at": "2026-08-30 01:03:32.816089+00", "observed_since": "2026-08-26", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a05031-7200-7d14-89ed-b0dd3eab2837" }, { "id": "chg_01a040be-3444-7037-af27-3967fc3dcbb6", "kind": "check.unverifiable", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.insufficient_history", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 01:03:22.083052+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Stability (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a040be-3444-7037-af27-3967fc3dcbb6" }, { "id": "chg_01a040be-3445-775f-ae84-dc757c871ec0", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.none_unlisted", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 01:03:22.083052+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Authorization (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a040be-3445-775f-ae84-dc757c871ec0" }, { "id": "chg_01a040be-3445-7d63-bf35-27d8babcbe6d", "kind": "check.verdict", "family": "transport", "subject_kind": "check", "subject": "transport", "subject_child": "", "from_code": "transport.verified", "to_code": "transport.http_error", "from_value": "pass", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "status": "400", "transport": "streamable-http" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 01:03:22.083052+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Transport (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a040be-3445-7d63-bf35-27d8babcbe6d" }, { "id": "chg_01a040be-3446-7d78-8404-61f4301bea87", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 01:03:22.083052+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a040be-3446-7d78-8404-61f4301bea87" }, { "id": "chg_01a040be-3449-79cc-96b2-0cdaa912fcd8", "kind": "capture.status_changed", "family": "", "subject_kind": "server", "subject": "capture", "subject_child": "", "from_code": null, "to_code": null, "from_value": "verified", "to_value": "not_mcp", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "to": "not_mcp", "from": "verified" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 01:03:22.083052+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Endpoint reachability (reachable → not serving MCP)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a040be-3449-79cc-96b2-0cdaa912fcd8" }, { "id": "chg_01a03671-a9d4-7e74-a691-888cf36560c6", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-08-25", "occurred_at": "2026-08-25 01:03:33.64479+00", "observed_since": "2026-08-24", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03671-a9d4-7e74-a691-888cf36560c6" }, { "id": "chg_01a03671-a9d9-7250-ba68-212b2b6e1bea", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.building_history", "to_code": "stability.stable", "from_value": "0.97", "to_value": "pass", "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-25", "occurred_at": "2026-08-25 01:03:33.64479+00", "observed_since": "2026-08-24", "source": "scan", "summary": "Stability (0.97 → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03671-a9d9-7250-ba68-212b2b6e1bea" }, { "id": "chg_01a03148-c79e-77bf-b81c-c537a8f94843", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c79e-77bf-b81c-c537a8f94843" }, { "id": "chg_01a03148-c7a0-7127-a03e-aa8f204a5e77", "kind": "check.appeared", "family": "auth-registration", "subject_kind": "check", "subject": "auth-registration", "subject_child": "", "from_code": null, "to_code": "auth.registration_cimd", "from_value": null, "to_value": "pass", "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "First check of Authorization (pass)", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a0-7127-a03e-aa8f204a5e77" }, { "id": "chg_01a03148-c7a0-7947-8f43-9bb7bd4b1c41", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a0-7947-8f43-9bb7bd4b1c41" }, { "id": "chg_01a03148-c7a1-7153-94a8-733f3dadfed6", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a1-7153-94a8-733f3dadfed6" }, { "id": "chg_01a03148-c7a1-7872-b9a9-01c6cd6dbf1a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a1-7872-b9a9-01c6cd6dbf1a" }, { "id": "chg_01a03148-c7a1-7f31-ab36-3fa5a223a1ce", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a1-7f31-ab36-3fa5a223a1ce" }, { "id": "chg_01a03148-c7a2-77ac-987c-5a97edc6fa3b", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 01:00:48.330752+00", "observed_since": "2026-08-23", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a03148-c7a2-77ac-987c-5a97edc6fa3b" }, { "id": "chg_01a02c22-69f0-71d1-8e14-f5803fae0ba0", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 01:00:47.948717+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a02c22-69f0-71d1-8e14-f5803fae0ba0" }, { "id": "chg_01a02c22-69f1-7238-ab0c-8407a2cab8e9", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 01:00:47.948717+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a02c22-69f1-7238-ab0c-8407a2cab8e9" }, { "id": "chg_01a02c22-69f1-7811-9a73-807a1b1c477b", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 01:00:47.948717+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-usgswater/usgswater-mcp#chg-chg_01a02c22-69f1-7811-9a73-807a1b1c477b" } ], "days": [ { "date": "2026-09-21", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-20", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-19", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-18", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-17", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-16", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-15", "total": 42, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-14", "total": 42, "delta": -28, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 7 } ] }